All patients considered for treatment must have venous access and be willing to have IV therapy. It may be difficult to obtain informed consent, as the patient may be confused.
For treatment to be considered the patient must have a measured adjusted calcium of 2.8mmol/l, (normal range 1.8 –2.6mmol/l), and be symptomatic with a reasonable quality of life prior to the current deterioration, and not to have been treated for hypercalcaemia in the preceding six weeks.